86results about How to "Improve mildew resistance" patented technology

The invention discloses a construction technology and construction equipment for a green building outer wall with a waterproof effect. The construction technology comprises the following steps that S1, a coating which is green, environmentally friendly, high in adhesion and good in waterproof, mildew-proof and anti-cracking effect is selected; s2, special building outer wall construction equipment and a coating spraying device are selected, and the building outer wall construction equipment is installed on a building facility top plate; the building outer wall construction equipment comprises a hanging basket, a steel wire rope used for hanging the hanging basket, a winding assembly used for controlling winding of the steel wire rope and a stabilizing assembly used for maintaining stable lifting of the hanging basket. And S3, a worker stands in the hanging basket, the winding assembly controls the hanging basket to ascend and descend, the coating can be evenly sprayed to the building outer wall through the coating spraying device, and the building outer wall has the good waterproof, mildewproof and anti-cracking effects. The stability of the winding assembly in the lifting process of the hanging basket can be kept, and the coating spraying effect is improved.

The invention belongs to the technical field of materials, and discloses mildew-proof modified starch-based super absorbent resin as well as a preparation method and application thereof. The mildew-proof modified starch-based super absorbent resin is prepared from the following raw materials in parts by mass: 10 to 20 parts of modified carboxymethyl starch, 2 to 3 parts of quaternized carboxymethyl chitosan, 10 to 15 parts of 2-acrylamido-2-methylpropanesulfonic acid, 15 to 25 parts of acrylamide, 100 parts of acrylic acid, 0.4 to 0.7 part of a redox initiator and 0.05 to 0.15 part of a cross-linking agent. According to the invention, the inherent defects of low mechanical strength, poor salt tolerance, poor stability, easy decomposition, short service life and the like of the starch-based resin are obviously improved, so that the starch-based super absorbent resin with good mildew resistance and more excellent performance can be developed.

The invention discloses a moisture-proof and pressure-resistant packaging carton and a preparation method thereof, and relates to the technical field of packaging cartons, the structure of the moisture-proof and pressure-resistant packaging carton is sequentially provided with an outer lining, a corrugated core paperboard and an inner lining from top to bottom, and the outer lining, a corrugated core and the inner lining are bonded through polyvinyl alcohol; soaking the prototype paper in a carboxymethyl cellulose aqueous solution, taking out the prototype paper, soaking the prototype paper in a copper sulfate metal ion solution and an aluminum chloride metal ion solution respectively, and performing hot pressing to obtain lining prototype paper and outer lining prototype paper; the preparation method comprises the following steps: adding polyethyleneimine and methanol into deionized water, uniformly stirring, soaking the outer lining prototype paper into the deionized water, heating to 35-36 DEG C, preserving heat, taking out the outer lining prototype paper, soaking the outer lining prototype paper into the solution A, adding glutaraldehyde, reacting at 25-30 DEG C, taking out the outer lining prototype paper, carrying out vacuum drying for 30-45 minutes, coating the surface of the outer lining prototype paper with the solution B, and carrying out vacuum drying to obtain the outer lining.

The invention relates to multifunctional ecological negative ion environment-friendly wallpaper and a preparation process thereof, and belongs to the technical field of wallpaper, and the preparation process comprises the following steps: coating the surface of a base paper layer with a polyurethane copolymer with negative ion powder, and performing extrusion compounding in an isothermal static pressure manner to form a middle layer; an antibacterial wear-resistant component is sprayed on the surface of the middle layer, and is cured by ultraviolet irradiation to form an outer layer, so that the multifunctional ecological anion environment-friendly wallpaper consisting of the base paper layer, the middle layer and the outer layer is formed; zinc oxide and tourmaline are mixed and subjected to ball milling, and negative ion powder is obtained; grafting the negative ion powder with a silane coupling agent and then combining the negative ion powder with polyurethane to obtain a polyurethane copolymer with the negative ion powder; graphene oxide and an antibacterial substance are combined to prepare an antibacterial wear-resistant component; according to the technical scheme, the polyurethane copolymer with the negative ion powder improves the negative ion release performance of the wallpaper, the antibacterial and wear-resistant components enhance the antibacterial property and wear resistance of the wallpaper, and the overall comprehensive performance of the negative ion wallpaper is improved.

The invention belongs to the technical field of concrete slabs, and particularly discloses a preparation method and application of a fiber-reinforced autoclaved aerated concrete plank.The preparation method comprises the steps that pretreated raw materials are prepared according to a formula; uniformly distributing and mixing the raw materials to obtain slurry I, slurry II and slurry III in sequence; pouring the slurry III into a mold, and standing; demolding and cutting the green body; the cut blank is subjected to steam curing and cooling, and then a concrete slab finished product is prepared; structural steel bars are replaced with fibers, the steel bar consumption is reduced, steel bar corrosion caused by cutting is avoided, and therefore the plate yield and the production efficiency are improved, waste of waste is avoided, and the actual preparation efficiency is improved; and secondly, by adopting the fibers and the active exciting agent, the concrete slurry is more uniformly aerated, and the fibers are uniformly distributed in a multi-stage dispersion manner, so that the bending resistance, the compression resistance, the crack resistance, the nail-holding power, the mildew resistance and the saltpetering resistance of the concrete slab are effectively improved, and the product quality is remarkably improved.

The invention relates to the technical field of liquid silicone rubber hand feeling treating agents, in particular to a liquid silicone rubber hand feeling treating agent and a preparation method and application thereof. The liquid silicone rubber hand feeling treating agent is prepared from the following raw materials in parts by mass: 80 to 100 parts of vinyl silicone oil, 10 to 20 parts of polydimethyl silicone oil, 10 to 20 parts of reinforcing filler, 5 to 15 parts of modified hydrogen-containing silicone oil A, 2 to 6 parts of modified hydrogen-containing silicone oil B, 0.1 to 0.5 part of platinum catalyst and 0.01 to 0.1 part of inhibitor. The liquid silicone rubber hand feeling treating agent provided by the invention has good hand feeling, wear resistance, scratch resistance and stain resistance, can prevent silica gel leather from mildewing in a humid and hot environment, and has good adhesive force with the silica gel leather.

The invention discloses durable mildew-proof beauty gel added with a reaction type mildew preventive and a preparation method of the durable mildew-proof beauty gel, and belongs to the technical field of beauty gel, the preparation method comprises the following steps: preparing the reaction type mildew preventive, preparing a composite filler, and mixing; in the step of mixing, alpha, omega-dihydroxy polydimethylsiloxane, fumed silica and simethicone are subjected to high-speed dispersion, the vacuum degree of high-speed dispersion is controlled to be 0.090-0.095 MPa, the rotating speed is controlled to be 900-1000 rpm, after high-speed dispersion is conducted for 40-50 min, methyltrimethoxysilane, a reaction type mildew preventive, composite filler, gamma-aminopropyltriethoxysilane and dibutyltin dilaurate are added, the mixture is stirred to be uniform, the mixture is stirred to be uniform, and the mixture is obtained. Continuously performing high-speed dispersion for 60 to 70 minutes; the durable mildew-proof beauty gel prepared by the invention not only has durable mildew resistance, but also has excellent bonding force, tensile strength, vibration resistance, weather resistance, temperature change resistance, antifouling property and moisture resistance.

The invention relates to the technical field of carbon black, in particular to a preparation process of high-dispersity antibacterial carbon black, which comprises the following steps: grinding carbon black, adding a first mixed amino acid solution, heating, ultrasonically dispersing and drying to obtain a modified carbon black material, then adding a mixed antibacterial agent feed liquid and a surfactant, heating and ultrasonically treating to obtain the high-dispersity antibacterial carbon black. Adding a chitosan solution into the obtained feed liquid, and performing ultrasonic treatment, concentration and drying to obtain carbon black with antibacterial performance; then adding a second mixed amino acid solution, carrying out heating and ultrasonic dispersion treatment, further modifying the carbon black, then adding a mixed dispersing agent, heating, grinding and drying to obtain the high-dispersity antibacterial carbon black. The process is reasonable in design, and the dispersity and the mildew-proof effect of the carbon black are greatly improved.

The invention belongs to the technical field of glass cement, and particularly relates to mildew-proof environment-friendly glass cement and a preparation method thereof.The mildew-proof environment-friendly glass cement is prepared from, by weight, 60%-65% of carboxymethyl chitosan Schiff base modified castor oil-based waterborne polyurethane prepolymer emulsion, 8%-10% of mildew preventive, 5%-5.5% of plasticizer, 0.04%-0.1% of defoaming agent and 20%-26% of filler, the carboxymethyl chitosan Schiff base modified castor oil-based waterborne polyurethane prepolymer emulsion is obtained by modifying a castor oil-based waterborne polyurethane prepolymer through a carboxymethyl chitosan Schiff base nano material. The carboxymethyl chitosan Schiff base is used for carrying out chain extension modification on the castor oil-based waterborne polyurethane prepolymer, so that the mildew resistance of the castor oil-based waterborne polyurethane prepolymer is improved.

The invention belongs to the technical field of concrete slabs, and particularly discloses a fiber-reinforced autoclaved aerated concrete slab and application thereof, the concrete slab comprises the following raw materials by weight: 10-15 parts of quicklime, 60-80 parts of sand, 3-5 parts of gypsum, 15-25 parts of cement, 0.25-0.5 part of fiber, 0.04-0.1 part of aluminum powder, 180-250 parts of water, and 0.1-0.25 part of an active activator; the active exciting agent is prepared from the following raw materials in parts by weight: 8 to 10 parts of sodium butyl naphthalene sulfonate, 4 to 5 parts of sulfamethoxazole, 17 to 20 parts of lauryl sodium sulfate, 6 to 8 parts of polycarboxylate superplasticizer and 25 to 30 parts of graphite soil; traditional constructional steel bars are replaced with fibers, the problem of steel bar corrosion caused by cutting can be solved, meanwhile, the procedures of steel bar mesh splicing and rust prevention are omitted, and the production efficiency of the plate is remarkably improved; besides, the fibers and the active exciting agent are combined for use, and uniform dispersion of the fibers in the green body is ensured, so that the mechanical property, the anti-mildew property and the saltpetering resistance of the concrete slab are enhanced, and the later maintenance cost is remarkably reduced.

The invention provides an offshore photovoltaic cable material as well as a preparation method and application thereof, and the preparation raw materials of the offshore photovoltaic cable material comprise the following components in parts by mass: 60-80 parts of polyethylene, 5-20 parts of an ethylene-octylene copolymer, 5-20 parts of a butadiene-based polymer, 2-10 parts of alkenyl-containing oligomeric silsesquioxane, 0.1-4 parts of an initiator and 0.1-4 parts of an assistant crosslinking agent, 40-100 parts of a flame retardant and 0.1-5 parts of a mildew preventive. Through the design and compounding of the components, the components can cooperate with each other, and a specific three-dimensional cross-linked network structure is formed in the cable material, so that the offshore photovoltaic cable material has excellent mechanical properties, heat resistance, salt fog resistance and humidity and heat resistance, and also has excellent performance in the aspects of flame retardance, mildew resistance, weather resistance and UV aging resistance.

The present application relates to the technical field of artificial board, and discloses a kind of mould-proof composite board for wardrobe and a preparation method thereof.The composite board for wardrobe prepared by the present application is prepared by using rubberwood sheet as main raw material, impregnating treatment with mould-proof and antibacterial agent, and then adhesive treatment with adhesive containing mould-proof and antibacterial agent.The composite board realizes long-term inhibition of mould through multi-mechanism sterilization of components, synergistic effect and material level protection, and is suitable for wardrobe application in high-humidity environment.In addition, the use of mould-proof and antibacterial adhesive also endows the composite board with excellent bonding strength.

This invention provides a high-hygroscopic, water-free composite gel-type calcium and magnesium salt tablet and its preparation method, which is made from the following raw materials in parts by weight: 45-70 parts calcium and magnesium salt, 15-25 parts gum arabic, 3-15 parts mica powder, 2-12 parts polyethylene oxide, 0.5-2 parts sodium nitrite, and 2-30 parts gelatin. This tablet exhibits high hygroscopicity and excellent physical properties.

The invention relates to the technical field of organobentonite, in particular to a preparation method of nanoscale organobentonite, which is characterized in that fine crushing and purification treatment is performed on bentonite raw ore powder, and specific acidizing treatment steps are combined, so that not only can impurities be effectively removed, but also high-purity nanoscale preparation of bentonite can be realized; the activity and the reaction performance of the bentonite are improved, and a foundation is laid for subsequent sodium treatment and lithiation treatment; secondly, sodium bentonite and lithium bentonite are prepared through sodium treatment and lithiation treatment respectively, then the composite bentonite is prepared through mixing, the lithiation bentonite has excellent expansibility, thickening property and suspension property in water, low alcohol and low ketone, the sodium bentonite has good dispersity and cohesiveness, and the composite bentonite is prepared through mixing the sodium bentonite and the lithium bentonite. After the two are mixed and organically modified, the advantages of the two can be integrated, and the physical properties of the bentonite are further improved, for example, the expansion multiple is increased, the viscosity is increased, and the suspension stability is enhanced.

The present invention relates to a waterproof, moisture-proof and mildew-proof construction process for a basement, which is characterized in that it comprises the following steps: Step 1, cleaning the walls and the floor of the basement; Step 2, detecting whether the walls and the floor of the cleaned basement are flat; Step 3, drying the walls and the floor of the basement, and then coating the spacer primer; Step 4, after the spacer primer is dried, coating the surface of the spacer primer with a waterproof topcoat; Step 5, curing and drying until it is completely solidified, that is, completing the construction. The present invention adopts an environmentally friendly water-based double-layer coating for the waterproof construction of the basement. Among them, the spacer primer is an epoxy water-based coating, which is a varnish coating with strong adhesion, so that it has good adhesion with concrete; the waterproof topcoat is an acrylic water-based coating with a new formula, which not only has excellent waterproof properties, but also has high strength and good mildew resistance.

The invention discloses a water-based zinc-aluminum anticorrosive coating and a preparation method thereof, and relates to the field of coatings. When the water-based zinc-aluminum anticorrosive paint is prepared, zinc-aluminum nanosheets sequentially react with [3-(N, N-dimethylamino) propyl] trimethoxysilane and N-(2-bromoethyl) maleimide to obtain modified zinc-aluminum nanosheets; the preparation method comprises the following steps: polymerizing 2, 4, 6, 8-tetramethylcyclotetrasiloxane and 1, 3-bis (3-hydroxypropyl)-1, 1, 3, 3-tetramethyldisiloxane, and then reacting with perfluorohexyl ethylene to obtain functional polysiloxane; the preparation method comprises the following steps: reacting butanediol, 2, 2 '-bipyridine-5, 5'-dimethanol, 2, 5-furandimethanol, functionalized polysiloxane and p-phenylene diisocyanate to obtain modified polyurethane; and uniformly mixing the modified polyurethane, propylene glycol butyl ether, N-(3-trimethoxysilylpropyl) pyrrole, the modified zinc-aluminum nanosheets, Op-10 and isooctyl alcohol to obtain the water-based zinc-aluminum anticorrosive coating. The water-based zinc-aluminum anticorrosive paint prepared by the invention has excellent corrosion resistance, self-repairability and mildew resistance.

The utility model provides a vehicle roof cloth structure and a vehicle. The vehicle roof cloth structure comprises a fabric layer, a framework layer and a base cloth layer which are sequentially stacked together. The skeleton layer comprises a skeleton body located in the middle, and a first fiber layer and a second fiber layer which are arranged on the two sides of the skeleton body respectively; the first fiber layer and the second fiber layer are both made of natural fibers, the first fiber layer is bonded between the fabric layer and the framework body through a polyurethane adhesive, and the second fiber layer is bonded between the bottom cloth layer and the framework body through a polyurethane adhesive. According to the vehicle roof cloth structure, light weight and environmental protection of a roof are facilitated, the connection strength among the fabric layer, the bottom cloth layer and the framework layer is improved, meanwhile, the structural stability of the roof in a high-temperature environment can be improved by means of the high-temperature-resistant characteristic of the polyurethane adhesive, and by means of the foaming characteristic of the polyurethane adhesive, the structural stability of the roof in a high-temperature environment can be improved. Holes and gaps in the natural fibers can be filled, and better mildew resistance and waterproofness are achieved.

The utility model relates to the technical field of packaging bags, in particular to a multi-layer composite mildew-proof packaging bag which comprises a bag body, and handles are arranged on the outer walls of the two sides of the bag body. An opening is formed in the top of the bag body, and a sealing assembly is arranged at the opening; an exhaust assembly is arranged on one side of the bag body; the bag body comprises a printing layer, a polyethylene base layer and a mildew-proof coating, the sealing assembly comprises sealing grooves and sealing strips, the sealing grooves and the sealing strips are arranged on the inner walls of the two sides of the bag body, the sealing strips and the sealing grooves are clamped and matched with each other, and the number of the sealing grooves and the number of the sealing strips are both two. According to the anti-mildew packaging bag, double sealing can be achieved when articles are stored in the bag body, the situation that the articles go mouldy and are damaged due to the fact that water vapor intrudes into the bag body is avoided, and meanwhile the anti-mildew coating can have wide, efficient and long-time sterilization and inhibition capacity on mould and saccharomycetes; and the overall mildew-proof performance of the packaging bag is further improved.

The invention provides a UV-moisture dual-curing three-proofing adhesive as well as a preparation method and application thereof. The UV-moisture dual-curing three-proofing adhesive comprises the following components in parts by weight: 40-60 parts of fluorine-containing polyurethane acrylate resin; 30-50 parts of a reactive diluent, 2-8 parts of a photoinitiator and 0.1-0.5 part of a polymerization inhibitor; and 1-3 parts of a dehydrating agent. The three-proofing adhesive provided by the invention has excellent wettability and corrosion resistance, has good adhesive force and flexibility, can realize UV and moisture dual curing, and can be used for bonding electronic circuit boards.

The invention provides a preparation method of high-strength mildew-proof bamboo wood, and belongs to the technical field of composite materials. According to the method, part of lignin and hemicellulose are removed from bamboo wood, so that the porosity of the bamboo wood can be increased, a modifier can enter pores, and the modification effect is improved; according to the method, titanium dioxide rich in hydroxyl on the surface is formed in situ in a delignification bamboo test piece, then hydrophobic modification is performed, the titanium dioxide rich in hydroxyl on the surface can react with the hydrophobic modifier, the hydrophobic modifier is stably combined on the bamboo, and the antibacterial property and the hydrophobicity of the bamboo are improved through the synergistic effect of the titanium dioxide and the hydrophobic modifier; the mildew-proof effect is further improved; according to the method, the titanium dioxide hydrophobic bamboo sample is preheated, hot-pressed and shaped, the compression ratio of the high-strength mildew-proof bamboo is controlled to be 20-50%, it can be guaranteed that the high-strength mildew-proof bamboo has high compactness, and the high-strength mildew-proof bamboo keeps high mechanical performance.

The invention relates to the technical field of stainless steel plates, and discloses a stainless steel plate based on water paint and application of the stainless steel plate. The water-based paint comprises the following raw materials: methyl methacrylate, butyl acrylate, hydroxyethyl methylacrylate, acrylic acid, an antifouling modified component, an emulsifier, deionized water, an initiator, an inorganic modified additive, a pigment filler, a coalescing agent, a flatting agent and a defoaming agent. Wherein the antifouling modification component is prepared by preparing a hydroxyl fluorosilicone oil derivative of which the structure contains a siloxane chain segment, a fluorine-containing chain segment and a long alkyl chain; the inorganic modified additive is prepared by chemically connecting natamycin to the surface of titanium dioxide, the stainless steel plate prepared through the method has excellent antifouling performance and antibacterial and mildew-proof performance, and the market competitiveness is improved.

The utility model discloses a quality-guaranteeing mould-proof rice packaging bottle which comprises a bottle body and a bottle cap device, the bottle body is made of PE or PET or PP materials containing nanometer titanium dioxide, an ultraviolet lamp is arranged below the bottle cap device, the ultraviolet lamp is connected with a power line, and the bottle cap device is fixedly connected with the bottle body. The nano titanium dioxide in the bottle body is excited to generate hydroxyl radicals and active oxygen, so that the rice is prevented from mildewing and going bad, the taste of the rice is improved, and nutrition loss is prevented.

The invention relates to the technical field of preparation of carpet styrene-butadiene latex, and discloses environment-friendly and odorless water-based styrene-butadiene latex applied to carpets and a preparation method of the environment-friendly and odorless water-based styrene-butadiene latex. The environment-friendly and odorless water-based styrene-butadiene latex applied to the carpet is prepared from the following components in parts by weight: 2 to 8 parts of unsaturated carboxylic acid, 160 parts of styrene, 100 to 200 parts of butadiene, 1 to 6 parts of sodium persulfate, 4 to 8 parts of itaconic acid, 1 to 5 parts of lauryl sodium sulfate, 0.1 to 0.5 part of sodium stearate, 1 to 6 parts of sodium hydroxide aqueous solution, 0.05 to 0.2 part of anti-aging agent, 0.05 to 0.2 part of mildew preventive, 0.05 to 0.2 part of odorless agent and 260 to 360 parts of deionized water. According to the invention, the oxidation resistance, mildew resistance and odorlessness of the carpet latex are improved, so that the carpet latex can maintain stable performance in various environments, and the problem that the traditional latex can release volatile organic compounds in the use process due to the fact that the traditional latex contains a large amount of solvent, so that the indoor air quality is influenced is solved.

This invention belongs to the field of bamboo and wood tableware processing technology, specifically a method for preparing chopsticks using a purely physical carbonization process. This method includes steps such as raw material selection, bamboo splitting and skeining, high-temperature carbonization, moisture rebalancing, re-carbonization and conditioning, segmentation and sharpening / beveling, polishing, sorting, and sterilization. Through a composite treatment of primary carbonization, moisture rebalancing, secondary carbonization, and conditioning, this invention thoroughly decomposes and denatures the sugars, proteins, and other nutrients within the bamboo and wood, destroying conditions for mold growth. Simultaneously, the natural coloring occurs during carbonization, eliminating the need for sulfur fumigation and hydrogen peroxide bleaching. Combined with multiple physical polishing processes, this results in healthy chopsticks with a smooth surface, free of paint and wax, and with zero chemical residue. This invention's process is green and environmentally friendly, producing safe, non-toxic chopsticks with excellent mold resistance, dimensional stability, and resistance to deformation, meeting food contact material safety standards and possessing promising market application prospects.

This invention relates to a method for preparing a biodegradable bio-based plastic storage box, belonging to the field of plastic product technology. The method includes the following steps: S1, preparation of bio-modified filler; S2, matrix compounding; S3, melt blending: adding the biodegradable matrix resin, toughening agent, compatibilizer, and the modified mixture A obtained in step S2 into a twin-screw extruder for melt blending extrusion, granulation, and obtaining bio-based composite material particles; S4, injection molding; S5, post-treatment. This method for preparing a biodegradable bio-based plastic storage box utilizes a specific process to treat Angelica dahurica and Pueraria lobata powder, inducing cross-linking of their macromolecular chains or activation of functional groups, resulting in stronger interfacial bonding with the subsequent PLA / PBAT matrix. Combined with the "skin-foamed core" structure formed by the multi-layer co-injection process, the storage box maintains lightweight while exhibiting significantly better impact resistance and load-bearing capacity than ordinary blended modified biodegradable plastic products.

The invention discloses a preparation method of a multifunctional cuprous oxide-based nano-composite antibacterial material, which comprises the following steps: adding a copper salt and a proper amount of deionized water into a reaction kettle, heating to 45-60 DEG C, uniformly stirring, adding a surfactant, slowly dropwise adding a pH regulator until the pH is 9-10, reacting for 2-3 hours, adding a reducing agent until the precipitate becomes brick red, filtering, washing, and drying to obtain the cuprous oxide-based nano-composite antibacterial material. Adding a zinc salt, a titanium salt, a silver salt, a platinum salt, a cerium salt and a lanthanum salt, adding a pH regulator until the pH value is 9-10, continuously stirring for 60-90 minutes, standing, filtering out water, and drying the precipitate to obtain the multifunctional cuprous oxide-based nano composite antibacterial material. The method disclosed by the invention is simple in process, the reaction process is easy to control, and the prepared cuprous oxide-based nano composite antibacterial material has excellent multiple effects of rapid sterilization, lasting bacteriostasis, mildew prevention, virus resistance, formaldehyde removal, odor removal, wastewater and sewage degradation and the like.

The present application relates to the field of chitosan-modified additives, and specifically discloses a multifunctional additive for adhesives and a preparation method thereof, wherein the multifunctional additive for adhesives comprises the following raw materials in parts by weight: 10-20 parts of zinc-based chitosan slow-release particles, 5-13 parts of deodorants, 8-18 parts of antibacterial agents, and 40-70 parts of water; the zinc-based chitosan slow-release particles are prepared by the following steps: mixing aldehyde-modified cyclodextrin with chitosan glue, adding a catalyst, reacting to obtain cyclodextrin-grafted chitosan, and reacting with a soluble zinc salt to obtain zinc-based chitosan slow-release particles. The preparation method of the multifunctional additive for adhesives comprises the following steps: uniformly mixing zinc-based chitosan slow-release particles, deodorants, antibacterial agents, and water to obtain an additive. The obtained additive has excellent antibacterial, mildew-proof, and TVOC removal properties for use in adhesives, and its effectiveness is long-lasting, its ingredients are safe and environmentally friendly, and it has no toxic decomposition products and is non-irritating to the human body.

The invention relates to composite cloth for a soft roof of an open tent automobile and a preparation method of the composite cloth, and is characterized in that the composite cloth comprises an outer decorative surface, a bonding layer, a middle layer, a bonding layer and an inner decorative surface in sequence from outside to inside, the middle layer is a thermoplastic elastomer, and the thermoplastic elastomer is prepared from the following raw materials in parts by mass: 40-60 parts of thermoplastic resin, 1-5 parts of a curing agent, 1-5 parts of a curing agent and 1-5 parts of a curing agent. The invention relates to a flame-retardant plastic, which comprises the following components in parts by weight: 25-50 parts of elastomer, 0.5-2 parts of foaming agent, 8-25 parts of flame-retardant master batch, 1-5 parts of antibacterial powder, 1-3 parts of coupling agent and 0.5-1 part of cross-linking agent. Wherein the antibacterial powder is a compound of far infrared ceramic powder and silver ion antibacterial powder; the flame-retardant master batch is a compound of a phosphorus-nitrogen composite halogen-free flame retardant, a Jinshi lanthanum rare earth flame-retardant synergist and microcapsule-coated red phosphorus. The composite cloth for the soft roof of the open tent automobile is resistant to bending and aging and has excellent flame retardance, mildew resistance and formaldehyde removal performance.

The invention discloses a light-weight heavy coating material for an automobile non-woven fabric carpet and a preparation method of the light-weight heavy coating material, and belongs to the technical field of carpet production.The light-weight heavy coating material is prepared from, by mass, 100 parts of EVA resin, 18-22 parts of modified shell powder, 13-15 parts of modified mildew preventive, 4-5 parts of foaming agent, 2-3 parts of zinc stearate, 2-3 parts of cross-linking agent and 1-2 parts of pore opening agent; according to the invention, by adding the self-made modified shell powder and the modified mildew preventive, detection shows that the prepared heavy coating material has excellent sound insulation performance and excellent mildew resistance, and in addition, the heavy coating material adopts light raw materials, and after foaming molding, the prepared heavy coating material has the advantage of light weight.

The present invention relates to the technical field of carbon black, and in particular to a preparation process of highly dispersible antibacterial carbon black, comprising the following contents: grinding carbon black and adding a first mixed amino acid solution, heating, ultrasonic dispersion, and drying to obtain a modified carbon black material, then adding a mixed antibacterial agent liquid and a surfactant, heating, ultrasonic treatment, and then typing a chitosan solution into the obtained liquid, ultrasonic treatment, concentration, and drying to obtain carbon black with antibacterial properties; then adding a second mixed amino acid solution, heating, ultrasonic dispersion treatment, further modifying the carbon black, and then adding a mixed dispersant, heating, grinding, and drying to obtain highly dispersible antibacterial carbon black. The above process design is reasonable, which greatly improves the dispersibility and mildew-proof effect of carbon black.